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 Mat. Zametki: Year: Volume: Issue: Page: Find

 1989, Volume 46, Issue 4

 Localization conditions of square partial sums of a multiple trigonometric Fourier series in the classes of S. M. Nikol'skiiR. R. Ashurov 3 Computable classes of constructive models with non-limit-equivalent indexationsV. P. Dobritsa 8 Inversion of the Miura transformationV. P. Kotlyarov 14 One additive problemB. V. Levin, N. M. Timofeev 25 Relative convexity of subgroups of finite rankN. Ya. Medvedev 34 Percolation with several defect types. An estimate of critical probability for a square latticeM. V. Men'shikov, K. D. Pelikh 38 Existence of polyhedra which cannot be decomposed into simplexes of equal volumeV. G. Pokrovskii 48 An approximation of $|\sin x|$ by rational Fourier seriesE. A. Rovba 52 Banach algebras and infinitely divisible distributionsM. S. Sgibnev 60 Covering numbers of regular multigraphsV. E. Tarakanov 66 Multidimensional lame wave functionsM. V. Fedoryuk 76 Asymptotic completeness and the absence of bound states in the quantum problem of scattering on a Brownian particleS. E. Cheremshantsev 86 Linearization of spectral problems with the parameter in their boundary conditions and the properties of the M. V. Keldysh derived chainsA. V. Shkred 99 Brief Communications Existence of an Euler mixed cycle in a partially oriented graphE. O. Basangova 110 Structure of the Kolmogorov set near separatrices of a two-dimensional mappingS. A. Dovbysh 112 On the zeros of the function $\zeta(s)$ in a neighborhood of the critical lineL. V. Kiseleva 114 The structure of cross sections of a typical continuous function by polynomialsS. B. Kozyrev 116 Turnpikes and infinite extremals in Markov decision processesV. N. Kolokoltsov 118 Generalized Taylor series for the class of functions $H(\overline \rho,\overline m,r)$V. M. Kuznichenko 120 Absolute convergence of multiple Fourier seriesA. P. Pavlov 122 An inversion formula in a problem of integral geometry on ellipsoidsV. G. Romanov 124 An exceptional set in the Hardy–Littlewood problem for nonintegral powersK. Buriev 127